www/firefox-esr: use an awk oneliner to append 'ESR' suffix to Name lines in desktop file

this way one can differentiate firefox from firefox-esr in desktop
environments.
while here also fix Exec lines for alternate Desktop Actions.
patch from Juan Picca, thanks !

www/firefox-esr/Makefile

@@ -6,6 +6,7 @@ MOZILLA_BRANCH =	release
 MOZILLA_PROJECT =	firefox-esr
 MOZILLA_CODENAME =	browser
 MOZILLA_DIST =		firefox
+REVISION =	0
 
 WRKDIST =	${WRKDIR}/${MOZILLA_DIST}-${MOZILLA_DIST_VERSION:C/esr//}
 HOMEPAGE =	https://www.mozilla.org/firefox/organizations/
@@ -73,7 +74,10 @@ post-install:
 		${PREFIX}/lib/${MOZILLA_PROJECT}/distribution/distribution.ini
 	# install desktop file
 	${INSTALL_DATA_DIR} ${PREFIX}/share/applications/
-	${SUBST_DATA} ${WRKSRC}/taskcluster/docker/firefox-snap/firefox.desktop \
+	awk '/^\[/{ if ($$0 == "[Desktop Entry]") flag=1; else flag=0} /^Name/{if (flag) print $$0, "- ESR"; else print} !/^Name/' \
+		${WRKSRC}/taskcluster/docker/firefox-snap/firefox.desktop \
+		> ${WRKSRC}/taskcluster/docker/firefox-snap/firefox.desktop.fixed
+	${SUBST_DATA} ${WRKSRC}/taskcluster/docker/firefox-snap/firefox.desktop.fixed \
 		${PREFIX}/share/applications/${MOZILLA_PROJECT}.desktop
 
 	# make sure TwemojiMozilla.ttf is found

www/firefox-esr/patches/patch-taskcluster_docker_firefox-snap_firefox_desktop

@@ -18,3 +18,18 @@ Index: taskcluster/docker/firefox-snap/firefox.desktop
  Categories=GNOME;GTK;Network;WebBrowser;
  MimeType=text/html;text/xml;application/xhtml+xml;application/xml;application/rss+xml;application/rdf+xml;image/gif;image/jpeg;image/png;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;x-scheme-handler/chrome;video/webm;application/x-xpinstall;
  StartupNotify=true
+@@ -197,7 +197,7 @@
+ Name[vi]=Mở cửa sổ mới
+ Name[zh_CN]=新建窗口
+ Name[zh_TW]=開啟新視窗
+-Exec=firefox -new-window
++Exec=${MOZILLA_PROJECT} -new-window
+
+ [Desktop Action NewPrivateWindow]
+ Name=Open a New Private Window
+@@ -216,4 +216,4 @@
+ Name[tr]=Yeni bir pencere aç
+ Name[uk]=Відкрити нове вікно у потайливому режимі
+ Name[zh_TW]=開啟新隱私瀏覽視窗
+-Exec=firefox -private-window
++Exec=${MOZILLA_PROJECT} -private-window